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andrew-mc [135]
3 years ago
8

– 6 (2x – 3) – 11

Mathematics
1 answer:
jekas [21]3 years ago
3 0

Answer:

12x + 7 is the answer

Step-by-step explanation:

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the average mark of three pupils are 68. what is the ratio of 5:4:3. how many marks did the best student get? HELP ME! ​
noname [10]

Answer:

85, 68, 51

Step-by-step explanation:

Average: The sum of all the numbers divided by the number of numbers

If the ratio of the scores is 5 : 4 : 3, let's just set it as 5x : 4x : 3x

Then using the definition of an average, we can write this equation.

(5x + 4x + 3x) / 3 = 68

Multiply both sides by 3.

5x + 4x + 3x = 68 * 3

Simplify.

12x = 204

x = 17

Now, substitute x = 17 into the original scores (5x, 4x, and 3x)

5x = 5 * 17 = 85

4x = 4 * 17 = 68

3x = 3 * 17 = 51

Just in case, let's check this answer. Find the average of the 3 test scores.

(85 + 68 + 51) / 3 =

204 / 3 = 68

Thus, the answers are correct

3 0
3 years ago
Hi! plz help it would mean a lot ty! and plz don't troll! first person who solves it get brainlist!
Margaret [11]

Answer:

its b

Step-by-step explanation:

5 0
2 years ago
Read 2 more answers
Order the set of numbers from least to greatest: negative 5 over 6, negative 5, negative square root 26, negative 31 over 6 leas
inn [45]
-.833...., -5.09..., -5.166.... so the order is the exact order you have it in in the question. I just converted it all to decimals because it's easier.
7 0
3 years ago
What’s the slope, y-intercept, and equation of this line??
egoroff_w [7]

Answer:

Slope: 0.03

Y-intercept: 750

Equation of a line: y = 0.03x + 750

Step-by-step explanation:

See attached photo

5 0
3 years ago
The PDF of the maximum
DerKrebs [107]

Answer:

distinctly over here I think so

8 0
3 years ago
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